CN105215950A - Electric planer - Google Patents
Electric planer Download PDFInfo
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- CN105215950A CN105215950A CN201410239537.3A CN201410239537A CN105215950A CN 105215950 A CN105215950 A CN 105215950A CN 201410239537 A CN201410239537 A CN 201410239537A CN 105215950 A CN105215950 A CN 105215950A
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- outer rotor
- casing
- high power
- electric planer
- power density
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Abstract
The invention discloses a kind of electric planer, comprise casing, casing comprises the controller container cavity of the motor container cavity being provided with high power density brushless electric machine and the controller being provided with high power density brushless electric machine; High power density brushless electric machine comprise be fixedly installed on casing central shaft, be sheathed on stator outside central shaft, be arranged at the rotor core outside stator, be arranged at the permanent magnet between rotor core and stator; Rotor core outer setting has outer rotor frame, and outer rotor frame rotates and is arranged on central shaft, and the outward flange of outer rotor frame is fixedly installed planing tool.Electric planer provided by the invention, improves device service life, avoids carbon dust to produce, avoid environmental pollution; Avoid arranging transmission device in casing, improve service life, reduce energy loss, improve delivery efficiency, reduce noise and vibration, that avoids belt wheel to install is loaded down with trivial details, effectively reduces volume and the weight of electric planer, facilitates the assembling of electric planer.
Description
Technical field
The present invention relates to electric planer equipment technical field, particularly a kind of electric planer.
Background technology
Electric planer is a kind of electric tool, and polished fabric or other article complete polishing effect by the polishing disk of electric planer.
Please refer to Fig. 1, Fig. 1 is a kind of structural representation of electric planer of the prior art.
Wherein, electric planer is made up of casing 01, output shaft 02, the motor (comprising rotor 03, stator 04, motor shaft 05 and carbon brush 07) that is arranged at planing tool 06 on output shaft 02 and band carbon brush.Motor is arranged in casing 01, and motor shaft 05 and output shaft 02 by belt wheel transmission, and then drive the planer tool apparatus 06 be arranged on output shaft 02 to rotate, complete operation.
But current electric planer generally uses series excited machine, it is with the structure of carbon brush 07, needs belt wheel transmission to realize the change of transmission direction and rotating speed between motor shaft 05 and output shaft 02.This makes the energy loss of electric planer large, reduce the delivery efficiency of instrument, and the wearing and tearing of carbon brush 07 and belt wheel directly affects the service life of electric planer, and carbon brush 07 weares and teares, generation carbon dust, causes certain pollution to environment; Parts in electric planer are more, and belt wheel inevitably produces larger noise and vibration in the process of passing on Gong, and are not easy to the assembling of electric planer.
Therefore, how to improve delivery efficiency and service life, avoid environmental pollution, reduce noise and vibration, being convenient to the assembling of electric planer, is the art personnel problem demanding prompt solutions.
Summary of the invention
In view of this, the invention provides a kind of electric planer, to improve delivery efficiency and service life, avoid environmental pollution, reduce noise and vibration, be convenient to the assembling of electric planer.
For achieving the above object, the invention provides following technical scheme:
A kind of electric planer, comprise casing, described casing comprises the controller container cavity of the motor container cavity being provided with high power density brushless electric machine and the controller being provided with described high power density brushless electric machine;
Described high power density brushless electric machine comprise be fixedly installed on described casing central shaft, be sheathed on stator outside described central shaft, be arranged at the rotor core outside described stator, be arranged at the permanent magnet between described rotor core and described stator;
Described rotor core outer setting has outer rotor frame, and described outer rotor frame rotates and is arranged on described central shaft, and the outward flange of described outer rotor frame is fixedly installed planing tool.
Preferably, in above-mentioned electric planer, described outer rotor frame is cylinder-shaped frame, and described central shaft is arranged at the centre of described outer rotor frame.
Preferably, in above-mentioned electric planer, between described outer rotor frame and described central shaft, be provided with bearing.
Preferably, in above-mentioned electric planer, the end of described outer rotor frame is provided with blade.
Preferably, in above-mentioned electric planer, the two ends of described outer rotor frame are provided with multiple described blade; Multiple described blade is uniformly distributed along the circumference of the cross section of described outer rotor frame.
Preferably, in above-mentioned electric planer, described high power density brushless electric machine is without Hall outer rotor high power density brushless electric machine.
Preferably, in above-mentioned electric planer, described stator comprises stator core, multiple cold air duct being wound in the stator enamelled wire group in described stator core and being arranged in described stator core.
Preferably, in above-mentioned electric planer, described cold air duct is made up of the gap between adjacent two described stator enamelled wire groups and the gap between described stator core and described rotor core.
Preferably, in above-mentioned electric planer, also comprise power line for being connected with extraneous power frequency AC and the rectification be arranged in described casing and filter;
Insulating sleeve is provided with between described rotor core and described outer rotor frame.
Preferably, in above-mentioned electric planer, described casing also comprises control handle.
Preferably, in above-mentioned electric planer, the power supplier driving described high power density brushless electric machine to run is power brick.
Preferably, in above-mentioned electric planer, described power brick is arranged in described casing, or described power brick is arranged at outside described casing, described casing is provided with the interface be connected with described power brick.
As can be seen from above-mentioned technical scheme, electric planer provided by the invention, drives outer rotor frame relative to central axis by arranging high power density brushless electric machine, and then realizes the operation of planing tool, effectively improve the service life of device; Further, owing to arranging high power density brushless electric machine, avoid and transmission device is set in casing, further increase service life, and, avoid carbon dust to produce, and then avoid environmental pollution, reduce energy loss, improve delivery efficiency.Further, effectively prevent pulley drive structure, and then reduce the noise and vibration that produce because of belt wheel transmission.And the controller of high power density brushless electric machine is arranged in casing, effectively prevent controller external and cause large and make unhandy situation because taking up an area space, so that the use of electric planer, high power density brushless electric machine is arranged in the motor container cavity of casing, and controller is arranged in the controller container cavity of casing, after high power density brushless electric machine and controller are communicated to connect, control start and stop and the rotating speed of high power density brushless electric machine, avoid the loaded down with trivial details of belt wheel installation, effectively reduce volume and the weight of electric planer, effectively facilitate the assembling of electric planer.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of electric planer of the prior art;
Wherein,
Casing-01, output shaft-02, rotor-03, stator-04, motor shaft-05, planer tool apparatus-06, carbon brush-07;
The structural representation of the electric planer that Fig. 2 provides for the embodiment of the present invention;
The cross-sectional schematic of the electric planer that Fig. 3 provides for the embodiment of the present invention.
Wherein,
Casing-1, control handle-11, controller container cavity-12, motor container cavity-13, central shaft-2, stator-3, rotor core-4, controller-5, rabbet body-6, planing tool-7, permanent magnet-8.
Detailed description of the invention
The invention discloses a kind of electric planer, to improve delivery efficiency and service life, avoid environmental pollution, reduce noise and vibration, be convenient to the assembling of electric planer.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to Fig. 2 and Fig. 3, the structural representation of the electric planer that Fig. 2 provides for the embodiment of the present invention; The cross-sectional schematic of the electric planer that Fig. 3 provides for the embodiment of the present invention.
Embodiments provide a kind of electric planer, comprise casing 1, casing 1 comprises the controller container cavity 12 of the motor container cavity 13 being provided with high power density brushless electric machine and the controller 5 being provided with high power density brushless electric machine; High power density brushless electric machine comprise be fixedly installed on casing 1 central shaft 2, be sheathed on stator 3 outside central shaft 2, be arranged at the rotor core 4 outside stator 3, be arranged at the permanent magnet 8 between rotor core 4 and stator 3; Rotor core 4 outer setting has outer rotor frame 7, and outer rotor frame 7 rotates and is arranged on central shaft 2, and the outward flange of outer rotor frame 7 is fixedly installed planing tool 6.
The electric planer that the embodiment of the present invention provides, drives outer rotor frame 7 to rotate relative to central shaft 2 by arranging high power density brushless electric machine, and then realizes the operation of planing tool 6, effectively improve the service life of device; Further, owing to arranging high power density brushless electric machine, avoid and transmission device is set in casing 1, further increase service life, and, avoid carbon dust to produce, and then avoid environmental pollution, reduce energy loss, improve delivery efficiency.Further, effectively prevent pulley drive structure, and then reduce the noise and vibration that produce because of belt wheel transmission.And the controller 5 of high power density brushless electric machine is arranged in casing 1, effectively prevent controller 5 external and cause large and make unhandy situation because taking up an area space, so that the use of electric planer, high power density brushless electric machine is arranged in the motor container cavity 13 of casing 1, and controller 5 is arranged in the controller container cavity 12 of casing 1, after high power density brushless electric machine and controller 5 are communicated to connect, control start and stop and the rotating speed of high power density brushless electric machine, avoid the loaded down with trivial details of belt wheel installation, effectively reduce volume and the weight of electric planer, effectively facilitate the assembling of electric planer.
As shown in Figure 3, outer rotor frame 7 is cylinder-shaped frame, and central shaft 2 is arranged at the centre of outer rotor frame 7.So that outer rotor frame 7 is relative to central shaft 2 smooth rotation.
Further, bearing is provided with between outer rotor frame 7 and central shaft 2.
High power density brushless electric machine in the electric planer that the embodiment of the present invention provides is overheated and affect service life, and the end of outer rotor frame 7 is provided with blade.In the process that high power density brushless electric machine runs, outer rotor frame 7 centrally axle 2 rotates, and makes the blade rotation that outer rotor frame 7 is arranged, and produces cooling air, cools high power density brushless electric machine.
Further, the two ends of outer rotor frame 7 are provided with multiple blade.
Further, the blade being arranged at one end of outer rotor frame 7 is uniformly distributed along the circumference of outer rotor frame 7 cross section.
Wherein, the end of outer rotor frame 7 is the side of outer rotor frame 7 perpendicular to the direction of armature spindle 2.In the process that high power density brushless electric machine runs, outer rotor frame 7 centrally axle 2 drives blade rotation while rotating, thus carries out heat discharging operation to high power density brushless electric machine.
In the present embodiment, also can only outside one end of rotor rack 7 blade is set.To introduce no longer in detail and all within protection domain at this.
For the ease of air flowing, air inlet and air outlet can be set on casing 1, so that outside air enters casing 1 by air inlet and discharged by the air outlet of casing 1 after too high power density brushless electric machine under the effect of fan.
Further, in order to ensure the heat radiation of controller 5, the position of air inlet and air outlet can be regulated, make outside air through controller 5 and high power density brushless electric machine under the rotary action of blade, so that dispel the heat to controller 5 while to the heat radiation of high power density brushless electric machine.
In the present embodiment, high power density brushless electric machine is without Hall outer rotor high power density brushless electric machine; High power density brushless electric machine also comprises: be sheathed on the rotor core stator 3 outside central shaft 2, is arranged at the rotor core 4 outside rotor core stator 3, is arranged at the permanent magnet 8 between rotor core 4 and rotor core stator 3.Also outer rotor brushless DC motor can be applied in the electric planer that the embodiment of the present invention provides as high power density brushless electric machine.
Wherein, the permanent magnet material of preferred high magnetic as permanent magnet 8, to improve the power of high power density brushless electric machine.
The electric planer that the embodiment of the present invention provides can by DC low voltage power supply or industrial frequency AC electric drive.Being connected with extraneous power frequency AC by arranging power line, running to drive high power density brushless electric machine.
What because high power density brushless electric machine is direct current generator, extraneous power frequency AC supplied is industrial-frequency alternating current.When electric planer is connected with extraneous power supply by power line, increase and decrease is needed to be galvanic rectification and filter by AC conversion.That is, in the present embodiment, electric planer also comprises power line for being connected with extraneous power supply and the rectification be arranged in casing 1 and filter, and wherein, rectification and filter can directly be integrated on controller 5, also can arrange separately.The industrial-frequency alternating current of extraneous power supply supply introduces electric planer by power line, becomes direct current to the supply of high power density brushless electric machine after over commutation and filter.Wherein, rectification and filter are containing a bulky capacitor.Current conventional power frequency AC is 220-240V or 110-127V, by regulating rectification and filter to adapt to different power frequency ACs, and then expands the territory of use of the electric planer that the embodiment of the present invention provides.
Because the current strength of extraneous power frequency AC is comparatively large, preferably, between rotor core 4 and outer rotor frame 7, be provided with insulating sleeve.
Preferably, the casing 1 that the embodiment of the present invention provides is cabinet, with the double insulated requirement of implementation tool, further increases safety in utilization.
As shown in Figure 2, casing 1 also comprises control handle 11.
But because needs arrange power line, hinder the operation of electric planer, therefore, in the present embodiment, preferably, the power supplier driving high power density brushless electric machine to run is power brick.Due to power brick supply is direct current, powers directly to high power density brushless electric machine to realize power brick.Battery pack after charging, in powering to high power density brushless electric machine, effectively prevent the operation that electric planer is connected by power line with extraneous electric supply installation, it also avoid in operating process the situation hindering electric planer to operate because of power line.
Further, power brick is arranged in casing 1.Effectively prevent power brick external and affect the situation that electric planer normally uses.
Also power brick can be arranged at outside casing 1, casing 1 be provided with the interface be connected with power brick.Power brick is connected with casing 1 by interface, and makes it conduct electricity with high power density brushless electric machine to be connected.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. an electric planer, comprise casing (1), it is characterized in that, described casing (1) comprises the controller container cavity (12) of the motor container cavity (13) being provided with high power density brushless electric machine and the controller (5) being provided with described high power density brushless electric machine;
Described high power density brushless electric machine comprises the central shaft (2) being fixedly installed on described casing (1), the stator (3) being sheathed on described central shaft (2) outside, be arranged at the rotor core (4) in described stator (3) outside, be arranged at the permanent magnet (8) between described rotor core (4) and described stator (3);
Described rotor core (4) outer setting has outer rotor frame (7), the rotation of described outer rotor frame (7) is arranged on described central shaft (2), and the outward flange of described outer rotor frame (7) is fixedly installed planing tool (6).
2. electric planer as claimed in claim 1, it is characterized in that, described outer rotor frame (7) is cylinder-shaped frame, and described central shaft (2) is arranged at the centre of described outer rotor frame (7).
3. electric planer as claimed in claim 2, is characterized in that, be provided with bearing between described outer rotor frame (7) and described central shaft (2).
4. electric planer as claimed in claim 2, it is characterized in that, the end of described outer rotor frame (7) is provided with blade.
5. electric planer as claimed in claim 4, it is characterized in that, the two ends of described outer rotor frame (7) are provided with multiple described blade; Multiple described blade is uniformly distributed along the circumference of the cross section of described outer rotor frame (7).
6. electric planer as claimed in claim 1, it is characterized in that, described high power density brushless electric machine is without Hall outer rotor high power density brushless electric machine.
7. electric planer as claimed in claim 1, is characterized in that, also comprises the power line for being connected with extraneous power frequency AC and the rectification be arranged in described casing (1) and filter;
Insulating sleeve is provided with between described rotor core (4) and described outer rotor frame (7).
8. electric planer as claimed in claim 1, it is characterized in that, described casing (1) also comprises control handle (11).
9. electric planer as claimed in claim 1, it is characterized in that, the power supplier driving described high power density brushless electric machine to run is power brick.
10. electric planer as claimed in claim 9, it is characterized in that, described power brick is arranged in described casing (1), or, described power brick is arranged at described casing (1) outward, described casing (1) is provided with the interface be connected with described power brick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410239537.3A CN105215950A (en) | 2014-05-30 | 2014-05-30 | Electric planer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410239537.3A CN105215950A (en) | 2014-05-30 | 2014-05-30 | Electric planer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105215950A true CN105215950A (en) | 2016-01-06 |
Family
ID=54985393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410239537.3A Pending CN105215950A (en) | 2014-05-30 | 2014-05-30 | Electric planer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105215950A (en) |
-
2014
- 2014-05-30 CN CN201410239537.3A patent/CN105215950A/en active Pending
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160106 |
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| RJ01 | Rejection of invention patent application after publication |